[
{'type': 'doi', 'id': '10.16472/j.chinatobacco.2017.045'},
{'type': 'pissn', 'id': '1004-5708'},
{'type': 'eissn', 'id': '1004-5708'}
]

deissnlist = []
for i in range(0,lengthD):
    deissnlist.append(doajresult[i]['bibjson']['identifier'][3]
    ['id'])